多级的

It can obtain a gain of 4.5dB in channel of Gauss and 9.5dB in channel of Rice. Additionally, performance of bit error rate of component code with SM64QAM and HMsym64QAM is tested. It is concluded that the multilevel coding scheme has specific property of unequal error protection.

另外通过仿真采用标准64QAM调制和对称分级64QAM调制两种调制方式的多级编码方案的各分量码的误码性能，可以看出多级编码方案具有不等差错保护的特性。

The water delivery scheduling problems of multilevel optimal irrigation canal system can be solved, which meet the requirement of irrigation management.

2针对多级灌溉渠系配水的问题，基于大系统分解协调的思想，建立了一种解决多级灌溉渠系配水优化编组问题的模型。

Laboratorial results show that the model based on multi-level combination filtering can overcome shortcomings and enhance the accuracy of the information.

通过对多级混合过滤模型的实验，表明多级混合过滤模型克服了单独使用内容过滤或协作过滤方法的缺点，提高了过滤的准确度。

This paper brings forward a type of improved multipolar fuzzy pattern recognition method on the basis of the multipolar fuzzy pattern recognition model.

在多级模糊模式识别模型的基础上，提出了一种改进的多级模糊模式识别方法。

From the point of decoding, a new multistage decoding method is given on the basis of the traditional one.

从BCM码译码角度出发，在原有多级译码的基础上提出了一种新的多级译码算法。

Then,the vibration of the model is calculated by using the FEM. Comparing the level of vibration with different multilevel quadrate steel beams,the effects and rules of isolating vibration are tested.

然后用有限元软件模拟计算了加多级方钢隔振后的结构振动水平，通过比较分析，得到了多级方钢的隔振效果和振动能量在其间的传播规律。

The LCQ Advantage is the workhorse ion trap mass spectrometer for 你好gh productivity LC/MS/MS results and is easily upgraded to MSn performance. The LCQ Advantage MAX now features the universal Ion Max source that allows simple tool-less switc你好ng of ionization probes. Ion Sweep Gas reduces chemical noise, w你好le a removable ion capillary tube allows for vent free source maintenance. Reliability combined with an easy-to-use interface, makes the LCQ Advantage MAX an ideal match for routine HPLC environment. Library searchable MS/MS spectra add confidence to the identification of analytes present in complex matrices.

LCQ Advantage MAX高效多级离子阱液质联用仪是离子阱光谱阐发平台，可以举行高效液相层析串联质谱LC/MS/MS阐发，而且可以很容易进级到电喷雾离子阱活络度MSnLCQ Advantage MAX高效多级离子阱液质联用仪此刻的首要独特之处是装有通用的Ion Max离子源，无须东西便可简略的调治离子探针，同时离子探针气体吹扫可以削减化学滋扰旌旗灯号可移植离子毛细现象柱无须真空便可养护LCQ Advantage MAX装备不变靠患上住，操做界面简略易用，抱负般配高效液相质谱测试并可检索液相质谱MS/MS库光谱

Regarding the problem of high rate of data repeating,inexplicitness of complex lattice believing and the key loophole in existing multilevel relational data model,this paper defines a new model-CMLR.

针对现有多级关系数据模型中存在的数据重复率大、复杂安全格的置信不明确、主键漏洞等问题，该文定义了一种新的多级安全关系数据模型—CMLR。

Recognising the benefits of multigrade engine oils, since around 1990 the world′s leading engine maker s have designed their equipment to function best with multigrade oils.

因为多级粘度发动机油所具有的以上优势，从1990年左右起，世界上最主要的发动机制造商纷纷设计自己的相关发动机，以便能够让多级润滑油发挥最大效力。

Recognising the benefits of multigrade engine oils, since around 1990 the world′s leading engine makers have designed their equipment to function best with multigrade oils.

因为多级粘度发动机油所具有的以上优势，从1990年左右起，世界上最主要的发动机制造商纷纷设计自己的相关发动机，以便能够让多级润滑油发挥最大效力。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。